JPS63513U - - Google Patents
Info
- Publication number
- JPS63513U JPS63513U JP9351286U JP9351286U JPS63513U JP S63513 U JPS63513 U JP S63513U JP 9351286 U JP9351286 U JP 9351286U JP 9351286 U JP9351286 U JP 9351286U JP S63513 U JPS63513 U JP S63513U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- control signal
- digital control
- digital
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Stereo-Broadcasting Methods (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は第１図のデータ変換回路の例を示す回路図
、第３図は従来の音量制御装置を示す図である。
１３……スイツチ回路、１４……アツテネータ
、１５……ミクシング回路、１７……スイツチ、
２１……データ変換回路。
FIG. 1 is a circuit diagram showing an embodiment of this invention, FIG. 2 is a circuit diagram showing an example of the data conversion circuit of FIG. 1, and FIG. 3 is a diagram showing a conventional volume control device. 13...Switch circuit, 14...Attenuator, 15...Mixing circuit, 17...Switch,
21...Data conversion circuit.
Claims (1)
タル制御信号および第２のデジタル制御信号を発
生するメモリ回路と、第１のデジタル制御信号に
より入力音声信号を制御ビツト数に分配するスイ
ツチ回路と、前記スイツチ回路で分配された各音
声信号にそれぞれ重み付を行なうアツテネータ回
路と、前記アツテネータ回路の出力音声信号を混
合するミクシング回路と、前記第２のデジタル制
御信号に応答して前記ミクシング回路の出力をオ
フまたはオンする回路とを具備したことを特徴と
するデジタル音量制御装置。 A memory circuit that generates a first digital control signal and a second digital control signal for controlling the volume according to an operation, and a switch circuit that distributes an input audio signal into a control bit number based on the first digital control signal. , an attenuator circuit that weights each audio signal distributed by the switch circuit, a mixing circuit that mixes the output audio signals of the attenuator circuit, and a mixing circuit that controls the mixing circuit in response to the second digital control signal. A digital volume control device characterized by comprising a circuit for turning off or on an output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9351286U JPS63513U (en) | 1986-06-19 | 1986-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9351286U JPS63513U (en) | 1986-06-19 | 1986-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63513U true JPS63513U (en) | 1988-01-05 |
Family
ID=30956149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9351286U Pending JPS63513U (en) | 1986-06-19 | 1986-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000014871A1 (en) * | 1998-09-03 | 2000-03-16 | Toa Corporation | Noise influence-reduced amplifier |
-
1986
- 1986-06-19 JP JP9351286U patent/JPS63513U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000014871A1 (en) * | 1998-09-03 | 2000-03-16 | Toa Corporation | Noise influence-reduced amplifier |
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